From 7d262c38f44193a6e6b601e3ec436945b3bf4e5d Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@tavianator.com>
Date: Fri, 4 Aug 2017 22:19:49 -0400
Subject: bftw: Assert that the queue is empty when freeing it

---
 bftw.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bftw.c b/bftw.c
index e76ca09..ce3a567 100644
--- a/bftw.c
+++ b/bftw.c
@@ -545,6 +545,7 @@ static struct bftw_dir *bftw_queue_pop(struct bftw_queue *queue) {
 
 /** Destroy a bftw_queue. */
 static void bftw_queue_destroy(struct bftw_queue *queue) {
+	assert(queue->size == 0);
 	free(queue->buffer);
 }
 
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